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Related papers: Nuclear response functions for the N-N*(1440) tran…

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A recapitulatory analysis of total nuclear cross sections of various nuclei is presented, which yields detailed knowledge on the different physical processes such as potential/resonance scatter and nuclear reactions. The physical base for…

Medical Physics · Physics 2010-09-07 W. Ulmer , E. Matsinos

High-precision nucleon-resonance electroproduction data on a large kinematic domain of energy and momentum transfer have proven crucial in revealing novel features of strong interactions within the Standard Model and unfolding structural…

Nuclear Theory · Physics 2019-02-27 Chen Chen , Ya Lu , Daniele Binosi , Craig D. Roberts , Jose Rodríguez-Quintero , Jorge Segovia

It is widely accepted that in molecular systems the nuclear interaction plays a negligible role, because of the strong Coulomb repulsion of the nuclei at small distances. We are going to show that this is not always true. The existence of…

Nuclear Theory · Physics 2008-02-03 V. B. Belyaev , A. K. Motovilov , W. Sandhas

The quasi-elastic contribution of the nuclear inclusive electron scattering model developed in A. Gil, J. Nieves, and E. Oset: Nucl. Phys. A 627 (1997) 543; is extended to the study of electroweak Charged Current (CC) induced nuclear…

High Energy Physics - Phenomenology · Physics 2009-11-11 M. Valverde , J. Nieves , J. E. Amaro

A semi-empirical formula for the electroweak response functions in the two-nucleon emission channel is proposed. The method consists in expanding each one of the vector-vector, axial-axial and vector-axial responses as sums of six…

Nuclear Theory · Physics 2022-01-05 V. L. Martinez-Consentino , J. E. Amaro , I. Ruiz Simo

A combined analysis of the reactions $\pi^+p\to \pi^+p$, $\pi^-p\to \pi^-p$ and $\pi^-p\to \pi^0n$ is carried out with a chiral quark model. The observations are reasonably described from the $\Delta(1232)$ resonance region up to the…

Nuclear Theory · Physics 2017-05-17 Kai-Lei Wang , Li-Ye Xiao , Xian-Hui Zhong

The electromagnetic excitation of the nucleon resonances is studied in the framework of Constituent Quark Models. Particular attention is devoted to the transition to the $\Delta$ resonance and to the issue of a possible deformation of…

Nuclear Theory · Physics 2015-06-22 M. M. Giannini

We derive analytical expressions for the excitation energy of the isoscalar giant monopole and quadrupole resonances in finite nuclei, by using the scaling method and the extended Thomas-Fermi approach to relativistic mean field theory. We…

Nuclear Theory · Physics 2010-12-23 S. K. Patra , X. Vinas , M. Centelles , M. Del Estal

Two different methods for establishing a space-like Coulomb sum rule for the relativistic Fermi gas are compared. Both of them divide the charge response by a normalizing factor such that the reduced response thus obtained fulfills the sum…

Nuclear Theory · Physics 2009-10-30 P. Amore , R. Cenni , T. W. Donnelly , A. Molinari

Phase shifts and inelasticity parameters for $NN$ scattering in the partial-wave channels ${}^3S_1$--${}^3D_1$ and ${}^1S_0$ at energies $T_{\rm lab}$ from zero to about 1 GeV are described within a unified $NN$ potential model assuming the…

Nuclear Theory · Physics 2020-09-15 V. I. Kukulin , O. A. Rubtsova , M. N. Platonova , V. N. Pomerantsev , H. Clement , T. Skorodko

The oscillator parameter in nuclei is refitted to reproduce the available charge radius data. As an important improvement, we include the Coulomb term evaluated within the assumption of a uniformly charged sphere, and take into account the…

Nuclear Theory · Physics 2023-11-28 Latsamy Xayavong , Yeunhwan Lim

A comprehensive description of all single-particle properties associated with the nucleus ${}^{40}$Ca is generated by employing a nonlocal dispersive optical potential capable of simultaneously reproducing all relevant data above and below…

Nuclear Theory · Physics 2014-04-30 M. H. Mahzoon , R. J. Charity , W. H. Dickhoff , H. Dussan , S. J. Waldecker

The process of neutrino interaction with $^{98}$Mo and $^{100}$Mo isotopes is studied taking into consideration the effect of charge-exchange resonances. The experimental data on the strength functions $S(E)$ obtained in charge-exchange…

Superscaling analyses of few-GeV inclusive electron scattering from nuclei are extended to include not only quasielastic processes, but now also into the region where $\Delta$-excitation dominates. It is shown that, with reasonable…

Nuclear Theory · Physics 2008-11-26 J. E. Amaro , M. B. Barbaro , J. A. Caballero , T. W. Donnelly , A. Molinari , I. Sick

A covariant spectator quark model is applied to estimate the valence quark contributions to the$ F1*(Q2) and F2*(Q2) transition form factors for the gamma N -> P11(1440) reaction. The Roper resonance, P11(1440), is assumed to be the first…

High Energy Physics - Phenomenology · Physics 2015-05-20 G. Ramalho , K. Tsushima

Relativistic energy density functionals have become a standard framework for nuclear structure studies of ground-state properties and collective excitations over the entire nuclide chart. We review recent developments in modeling nuclear…

Nuclear Theory · Physics 2015-10-28 N. Paar , T. Marketin , D. Vale , D. Vretenar

The analytical approximations for the moderating neutrons flux density like Fermi spectra, widely used in reactor physics, involve the probability function for moderating neutron to avoid the resonant absorption obtained using some…

Nuclear Theory · Physics 2012-08-07 V. D. Rusov , V. A. Tarasov , S. I. Kosenko , S. A. Chernegenko

Ever since its discovery in 1964 the nature of the N*(1440) nucleon resonance has been a perpetual and one of the outstanding puzzles in hadronic physics. The Ljubljana group joined the global effort in the late 1990s, first from the…

High Energy Physics - Phenomenology · Physics 2026-02-05 Simon Sirca

We study the nuclear effects in the electromagnetic structure function F2(x,Q^2) in nuclei in the deep inelastic lepton nucleus scattering process by taking into account Fermi motion, binding, pion and rho meson cloud contributions.…

Nuclear Theory · Physics 2011-04-28 M. Sajjad Athar , I. Ruiz Simo , M. J. Vicente Vacas

Inclusive differential cross sections for various $e A$ and $\nu A$ reactions are analyzed within the GiBUU theoretical framework and code. The treatment of electron-nuclus reactions has been significantly improved by implementing a…

Nuclear Theory · Physics 2023-12-05 U. Mosel , K. Gallmeister
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